I participated in the Stripe CTF Web Attacks and thus far it was the most well designed CTF I have ever encountered (and I have participated in a couple dozen). This is the second Stripe CTF, the first was exploitation based and this one was web based. Some Concepts CTF stands for Capture the Flag, its a genre of games where you have to get past enemy lines and take their flag and bring it back to your base to win …
Category: Network
This is intended to be a theoretical/practical tutorial on how to use email certificates to encrypt and digitally sign your emails. There are approximately 2 million emails transferred every hour, …
This post is a tutorial on how to run a L2TP over IPSec VPN Server for proxy purposes on a Ubuntu 10.04 LTS Server machine. Before we start the practice, …